86A.3 RACK MOUNTINGThe QT446, QT4332, QT4532, QT518, QT5116 and QT536 all use 2U cases and includebrackets and screws allowing them to be secured in a standard server rack or server cabinet.These DVRs are designed for horizontal mounting only.The DVR must rest on a shelf sufficient to hold its weight. The included mounting brackets areonly intended to keep the system from shifting and they are not sufficient to suspend the DVRalone. You will also need to provide bolts to attach the brackets to the rack.Two mounting brackets and four screwsare contained in the accessory box thataccompanied your DVR. Some brackets willhave three holes but only two screws arerequired to mount the bracket to the DVR.The flanges to secure the DVR to the rackshould be towards the front.The DVR must have sufficient support wheninstalled. The brackets are only to keep theDVR from moving. Ensure that all four holeson the two mounting brackets line up withholes in the rack.If you will have limited access to the backof the DVR, it is best to make sure that allcamera and other cable connections on theback of the DVR are secure before boltingthe brackets to the rack.